2004 BMW Z4 vs. 2003 Mazda 6
To start off, 2004 BMW Z4 is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Mazda 6. In addition, the cost of maintenance, including insurance, on 2003 Mazda 6 would be higher. At 2,983 cc (6 cylinders), 2004 BMW Z4 is equipped with a bigger engine. In terms of performance, 2004 BMW Z4 (225 HP @ 5900 RPM) has 87 more horse power than 2003 Mazda 6. (138 HP @ 6000 RPM). In normal driving conditions, 2004 BMW Z4 should accelerate faster than 2003 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW Z4 weights approximately 75 kg more than 2003 Mazda 6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 BMW Z4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2004 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2003 Mazda 6, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2004 BMW Z4 (300 Nm @ 3500 RPM) has 119 more torque (in Nm) than 2003 Mazda 6. (181 Nm @ 4500 RPM). This means 2004 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda 6.
Compare all specifications:
| 2004 BMW Z4 | 2003 Mazda 6 | |
| Make | BMW | Mazda |
| Model | Z4 | 6 |
| Year Released | 2004 | 2003 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 1999 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 225 HP | 138 HP |
| Engine RPM | 5900 RPM | 6000 RPM |
| Torque | 300 Nm | 181 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Engine Compression Ratio | 10.2:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 245 km/hour | 208 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 9.7 seconds |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1395 kg | 1320 kg |
| Vehicle Length | 4100 mm | 4690 mm |
| Vehicle Width | 1790 mm | 1790 mm |
| Vehicle Height | 1310 mm | 1440 mm |
| Wheelbase Size | 2500 mm | 2620 mm |
| Fuel Tank Capacity | 55 L | 64 L |
